Home / 18,876.24-28,301.94-10,557.14

Finding the Fourth Proportional to 18,876.24, 28,301.94 and 10,557.14

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Solution

The fourth proportional to 18,876.24, 28,301.94 and 10,557.14 is: 15,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876.24 : 28,301.94 = 10,557.14 : x
  2. Step 2: Convert to fraction form
    18,876.24/28,301.94 = 10,557.14/x
  3. Step 3: Cross multiply
    18,876.24x = 28,301.94 × 10,557.14
  4. Step 4: Simplify right side
    18,876.24x = 298,787,401.34
  5. Step 5: Solve for x
    x = 298,787,401.34/18,876.24
  6. Step 6: Final answer
    x = 15,828.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.